Bolt and rivet catcher



7 Dec. 2'1',Y-1926. 1,611,188

. T. I- IA LCOMB v I BOLT AND RIVET CATGHER Filed Nov.- 12. 1925 77P/M54 E I Patented Dec. i h I I i i entree stares ear sir series;

BOLT eunrtrvn'r'ceronnns a I I Application filed November 12,1925. serial no. easedg This invention"relates to safety; devices define an attachingring12 a'dapted'to eX- "I" I especially adapted for use on rivet cutting tend about the forward portion of theair i devices. a hammerlat. Figure 1" fclearly illustrates Briefly statedg animportant object of this that the terminal portions of the length'of 60 5 invention is to provide a safetyattachment metal from which theframe is-iormed are for rivet cutting hammers havinga reticucoiled in opposite'directions to define attach a lated guard which extends over the head of mg and holding:springmembers l6-which the rivet and prevents thesame from flying ,yieldingly grip'the intermediate portion of 10 same time allows the operator to view the in; place."It: is believedto be obvious that cutting operation and keep the chisel in powhen the members 12: and 16 are encircled 3 sition to engage the riveton each. cutting about the air hammer and are'in reasonably 'stroke. firm engagement therewith the reticulated through space whense'veredand'whioh atth eVthehammer so: as tohold the guard firmly- 7 A furtherland equally importantfobj ect of: -headwill be positioned at the forward por- 9 the invention isto provide'a"safety zattaeh- ,tion of the chisel; However; as tlleishank V ment of the character specified having-simple is of a springmetal the guardmay be moved :1

means whereby the: same may be easily apto one side incasethejob of cutting the rivet plied to a standardlair hammer without thej heads'is' in close quarters.

V exercise of unusual skill or substantially alf' Figure 2 illustratesthat: supplemental 75' l itering thefconstructionofthe hammerw" screen'-22,, may 'be applied to the reticulated tached.

it Other objects and advantages of chainfheadand secured "n place byfspring, clips vention will be apparent during the course 24;. The screen .22 isjemjployed 1n connecof the following-description. tionfwithsma-ll rivet heads,- chippings'and I a y In the. accompanyingfdrawing, forming" the j-like; However; the addition of ,the ,80 h 5 apart of this applicationfand "in which screenl22 doesnot'mater'ially'l obstruct the like numerals are employed-to designatelike operatorsview of the work' in hand as parts throughout the same, e I

gu 1 is a p pe t v of illeir r iproved this and at th'esame time prevent thechip- V pings and small rivet headsjirom flying sub safety attachment in use; 7. e I v w I V V ,-Figure 2 is a group vperspective of the vstantialfdistancesj -Itwill b'e-iseen that the guard and a screenj'whi'ch may be employed screen isbacked; up 'fbythe" parallel strips in connection therewithj'. 1 7 a Figure 3 is a transverse sectional view of 'b the improved guard with the screen atl catcher constructed in accordance with this In the drawing, the numeral 'odesignates invention may be easily applied to an air the meshis suiiicientlyfopen to allow tor 7 of the guard head and is reinforced therel As previously stateda rlvetand bolthead v the shank of the improved guar df which hammer without the employment of bolts I? shank is'formed from a length'of spring or other-separatedevices and when in place steel the intermediate portion of which is will eifectively protect those'near a particubent into circular formation to define a: ring lar job from injury.

6 to which a plurality ofapproximately The attaching rings 12 and 16hold the re parallel guard strips 7 may be welded orticulated head in place over the rivetibeing otherwise secured. The circular portion .6 cut and as the shank is flexible the reticulatand theguard strips 7 define what might ed head may be raised 'upfrom the cutting be positioned over the head ofa rivet to be moved laterally'and when'releasedwill" prevent the rivet head fromfiying through promptly return to normalposition itt 'tl"l the air and causing damage when severed. end of the. chisel.

chisel 9 of the hammer completesthe severto be able to observe the progressot thecut ing operationjthe head of the rivet islikely ting operation he; vibration incident'to to be thrown into the air with considerable the cutting operation would in manycasesforce and possibly injure'persons within a causethehammerto move laterally'so that t ran e; v "V V: i a

T he length of spring steel from winch the a If the hammer is operated with the' clnsel 7 n frame otthe guard is formed is looped to not in; a position to engage the rivet the be said toibe a retioulated head adapted to endof the cutting tool; Also thefhead'may It-is'believed to be obvious that when the It isespfeoially important for the operator {o .the chiselwill no longer engage'thet rivet. 1

[chisel may be driven out of the hammer an d possibly cause injury to someone or to ob ects Wltl'llll'ltlll Having thus describedthe invention what I claim is I p 1. A rivet shieldfor cutting tools comprising a shank adapted to be extended 'substantially parallel to the axis of a hammer and having anoifsetrear portion provided with separate e'Xpa'nsible attaching-coils adapted toreceive and engage the. cutting tool, said attaching coils being an integral part or" said olfset rearportion and a head on the for- 'ward portion of the shank.

rivet and bolt head catcher for air hammers comprising a length of spring metal having its: intermediate portion bent into circular formation and having its terminal portions coiled in opposite directions to define attaching springs adapted to grip the barrel of a riveting. hammer, and guard strips connected to the circular intermediate portion of the length of spring metal, said guard strips being spaced whereby to aii'ord a view of the cutting operation.-

3; A rivet and-bolt head catcher for air hammers comprising a' length of spring metal having its intermediate portion bent into circular formation and having itsterminal portions coiled Ill-OPPOSltG directions to define attachingsprings adapted to grip the barrel of a riveting hammer, and i guard strips connected to thecircular intermediate portion of the length of g-uard strips being spaced spring metal, said whereby to afford ope rat1on,;sa1d length a view of the cutting provided between said of spring metal being is attaching springsand said circularly formed I portion with a loop adapted; to receive the forward )ortion of the barrel of the riveting hammer,

4. A riret and bolt head, catcher for rivetby the same may be detachably connected to said frame. e

5. A rivet and bolt'head catcher comprising a shank of spring metal adapted to be extended substantially parallelto the aXisoi rear portion thereof provided with, separate spaced} at- 'tac hing loops adapted to grip a cutting tool and having the the barrel of a cutting tool, and a head at riveting hainportion of said spring shanlr'fandhaving a plurality of spaced guard'strips. I p (3. A safety attachment for ueeoon rlvet, cutting tools comprising a {shank adapted to be extended substantiallyf pa-rallel to the axis of the cutting tool and having'means whereby the same may be secured thereto a head secured to the forward portion of the shank andhavingspaced guard strips, and 21 separate screen having spring strips adapted to extend over and detachably engage said head to detachably secure the screen atone side or" the guard strips whereby the screen will arrest the movement of small ch ps.

In" testimony whereof I aflix l' my signature;

TFRIMBLEY HALooMn.

so I the forward i 

